Privacy Policy

Effective Date: January 1, 2026

[Beijing Yiran Technology Co., Ltd.] ("we", "our" or "us") operates the [Elevation Compass Pro] mobile application (the "Service"). This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service and the choices you have associated with that data.

1. Information Collection and Use

We collect several different types of information for various purposes to provide and improve our Service to you.

• Personal Data:
  1. To share location photos, we collect your location information, nickname, photos, or videos.
  2. To generate a user account and facilitate contact with you, we collect your email address.
• Usage Data:
  1. To improve product quality, we collect app crash logs.
  2. To perform account management, we collect your Android ID.
  3. To optimize the advertising experience, we collect your Advertising ID.

2. Use of Data

We use the collected data for various purposes:

• To provide and maintain our Service.
• To notify you about changes to our Service.
• To provide customer support.
• To monitor the usage of our Service and detect technical issues.

3. Third-Party Service Providers

We may employ third-party companies (e.g., for analytics or ads). These third parties have access to your Personal Data only to perform these tasks on our behalf.

• org.osmdroid:osmdroid-android: Used for map display. Data source is OpenStreetMap, complying with ODbL license.
• com.github.PhilJay:MPAndroidChart: Used for displaying data charts in activity tracking.
• com.qweather.sdk: Included in dependencies but NOT used in the code, Used to retrieve and display weather forecast information.
• com.google.android.gms:play-services-auth: Used for Google account login.
• com.google.android.gms:play-services-ads: Used for displaying Google Ads.
• com.android.billingclient:billing: Used for providing Google Pay related functionalities.

4. Data Deletion

Users can request the deletion of their data. To request the deletion of your personal data, please visit our data deletion portal at: https://global.gpstool.yirankj.com.cn/page/user/delete.

5. Security of Data

The security of your data is important to us, but remember that no method of transmission over the Internet is 100% secure. We strive to use commercially acceptable means to protect your Personal Data.

6. Children's Privacy

Our Service does not address anyone under the age of 13 ("Children"). We do not knowingly collect personally identifiable information from children under 13.

7. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

8. Contact Us

If you have any questions about this Privacy Policy, please contact us:

• By email: [service@yirankj.com.cn]